Generation of laser radiation of difference frequency in a rectangular millimeter waveguide
Results are reported for an experimental investigation of the generation of the difference frequency of partially mode-locked neodymium laser radiation in a nonlinear lithium niobate (LiNbO/sub 3/) crystal placed inside a rectangular waveguide. Difference-frequency radiation was detected at a wavele...
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| Veröffentlicht in: | Sov. J. Quant. Electron. (Engl. Transl.); (United States) 1978-03, Vol.8 (3), p.382-384 |
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| Format: | Artikel |
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| container_end_page | 384 |
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| container_issue | 3 |
| container_start_page | 382 |
| container_title | Sov. J. Quant. Electron. (Engl. Transl.); (United States) |
| container_volume | 8 |
| creator | Avetisyan, Yu O Martirosyan, R M Mirzabekyan, É G Pogosyan, P S |
| description | Results are reported for an experimental investigation of the generation of the difference frequency of partially mode-locked neodymium laser radiation in a nonlinear lithium niobate (LiNbO/sub 3/) crystal placed inside a rectangular waveguide. Difference-frequency radiation was detected at a wavelength of about 8 mm and also in the wavelength range from 2 to 4.5 mm the measurements indicate that the radiation was maximum in the 70-GHz range and that the spectral density of the radiation was independent of crystal length. Focusing with a cylindrical lens is found to increase the conversion efficiency of the laser radiation approximately twofold in comparison with the case of a homogeneous distribution of the laser beam across the waveguide. The experimental results are compared with theoretical calculations of difference-frequency generation in a rectangular waveguide. |
| doi_str_mv | 10.1070/QE1978v008n03ABEH010030 |
| format | Article |
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Difference-frequency radiation was detected at a wavelength of about 8 mm and also in the wavelength range from 2 to 4.5 mm the measurements indicate that the radiation was maximum in the 70-GHz range and that the spectral density of the radiation was independent of crystal length. Focusing with a cylindrical lens is found to increase the conversion efficiency of the laser radiation approximately twofold in comparison with the case of a homogeneous distribution of the laser beam across the waveguide. 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The experimental results are compared with theoretical calculations of difference-frequency generation in a rectangular waveguide.</description><subject>CONVERSION</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>ENERGY CONVERSION</subject><subject>ENGINEERING</subject><subject>FOCUSING</subject><subject>LASER RADIATION</subject><subject>LASERS</subject><subject>MODE LOCKING</subject><subject>NEODYMIUM LASERS</subject><subject>NONLINEAR OPTICS</subject><subject>OPTICS</subject><subject>RADIATIONS</subject><subject>SOLID STATE LASERS 420300 -- Engineering-- Lasers-- (-1989)</subject><subject>WAVEGUIDES</subject><subject>WAVELENGTHS</subject><issn>0049-1748</issn><issn>2169-530X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1978</creationdate><recordtype>article</recordtype><recordid>eNqFkF1LwzAUhoMoOKe_weKVN9WTpG2SyznmJgxEUBC8CGl6MiNdO5Nusn9vx2Q3Il6dD57ncHgJuaRwQ0HA7dOEKiE3ALIBPrqbzIACcDgiA0YLleYcXo_JACBTKRWZPCVnMX70YyE4G5C3KTYYTOfbJmldUpuIIQmm8odV5Z3DgI3FxAX8XPfdNvFNYpKAtjPNYl2bkCx9Xfsldr39ZTa4WPsKz8mJM3XEi586JC_3k-fxLJ0_Th_Go3lqmeBdakqDaCoGUpm85JCVDKizsrAOS-qqUlhlBdrcUWkylec5oGAZk87wXCHyIbna321j53W0vkP7btum6f_TRaEKyfMeEnvIhjbGgE6vgl-asNUU9C5I_UeQvXm9N327Oki7PPUuTy0113Om9KpyPcp-o__d_wY0XIUz</recordid><startdate>19780331</startdate><enddate>19780331</enddate><creator>Avetisyan, Yu O</creator><creator>Martirosyan, R M</creator><creator>Mirzabekyan, É G</creator><creator>Pogosyan, P S</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19780331</creationdate><title>Generation of laser radiation of difference frequency in a rectangular millimeter waveguide</title><author>Avetisyan, Yu O ; Martirosyan, R M ; Mirzabekyan, É G ; Pogosyan, P S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c273t-abaeead2089a5b304b201fc86cfeb1fdb7c9c7ec5f18a495550e72428fa359ee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1978</creationdate><topic>CONVERSION</topic><topic>ELECTROMAGNETIC RADIATION</topic><topic>ENERGY CONVERSION</topic><topic>ENGINEERING</topic><topic>FOCUSING</topic><topic>LASER RADIATION</topic><topic>LASERS</topic><topic>MODE LOCKING</topic><topic>NEODYMIUM LASERS</topic><topic>NONLINEAR OPTICS</topic><topic>OPTICS</topic><topic>RADIATIONS</topic><topic>SOLID STATE LASERS 420300 -- Engineering-- Lasers-- (-1989)</topic><topic>WAVEGUIDES</topic><topic>WAVELENGTHS</topic><toplevel>online_resources</toplevel><creatorcontrib>Avetisyan, Yu O</creatorcontrib><creatorcontrib>Martirosyan, R M</creatorcontrib><creatorcontrib>Mirzabekyan, É G</creatorcontrib><creatorcontrib>Pogosyan, P S</creatorcontrib><creatorcontrib>Erevanskii Gosudarstvennyi Universitet, Yerevan, Armenian SSR</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Sov. 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Transl.); (United States)</jtitle><date>1978-03-31</date><risdate>1978</risdate><volume>8</volume><issue>3</issue><spage>382</spage><epage>384</epage><pages>382-384</pages><issn>0049-1748</issn><eissn>2169-530X</eissn><abstract>Results are reported for an experimental investigation of the generation of the difference frequency of partially mode-locked neodymium laser radiation in a nonlinear lithium niobate (LiNbO/sub 3/) crystal placed inside a rectangular waveguide. Difference-frequency radiation was detected at a wavelength of about 8 mm and also in the wavelength range from 2 to 4.5 mm the measurements indicate that the radiation was maximum in the 70-GHz range and that the spectral density of the radiation was independent of crystal length. Focusing with a cylindrical lens is found to increase the conversion efficiency of the laser radiation approximately twofold in comparison with the case of a homogeneous distribution of the laser beam across the waveguide. 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| identifier | ISSN: 0049-1748 |
| ispartof | Sov. J. Quant. Electron. (Engl. Transl.); (United States), 1978-03, Vol.8 (3), p.382-384 |
| issn | 0049-1748 2169-530X |
| language | eng |
| recordid | cdi_iop_primary_10_1070_QE1978v008n03ABEH010030 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | CONVERSION ELECTROMAGNETIC RADIATION ENERGY CONVERSION ENGINEERING FOCUSING LASER RADIATION LASERS MODE LOCKING NEODYMIUM LASERS NONLINEAR OPTICS OPTICS RADIATIONS SOLID STATE LASERS 420300 -- Engineering-- Lasers-- (-1989) WAVEGUIDES WAVELENGTHS |
| title | Generation of laser radiation of difference frequency in a rectangular millimeter waveguide |
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